Method set_system_variable

sql/sql_lex.cc:178–201

*/

bool
LEX::set_system_variable(enum enum_var_type var_type,
                         sys_var *sysvar, const Lex_ident_sys_st *base_name,
                         Item *val)
{
  set_var *setvar;

  /* No AUTOCOMMIT from a stored function or trigger. */
  if (spcont && sysvar == Sys_autocommit_ptr)
    sphead->m_flags|= sp_head::HAS_SET_AUTOCOMMIT_STMT;

  if (val && val->type() == Item::FIELD_ITEM &&
      ((Item_field*)val)->table_name.str)
  {
    my_error(ER_WRONG_TYPE_FOR_VAR, MYF(0), sysvar->name.str);
    return TRUE;
  }

  if (!(setvar= new (thd->mem_root) set_var(thd, var_type, sysvar,
                                            base_name, val)))
    return TRUE;

  return var_list.push_back(setvar, thd->mem_root);
}


/**